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If you are really worried about it take one of the springs off and measure the pressure at the closed height and the open height. And post the results or PM me. another good check would be to remove the lifters (one at a time so they go back in the same location) and verify that they are not...

The pistons listed with the 360 kit do not offer much compression in a standard rebuild with 70 cc heads and .050 head gasket. If you decide to go with a 360, I would get KB107's.

KB pistons have generous valve releifs so I dont think you would have problem with even some of the cams with well over .600 lift Piston to valve clearance is also effected by duration duration and lobe separation, not just the aggressiveness or lift of the cam. 1) the wider the lobe sep...

A shop near me charges $50 to open up 1.88 heads to 2.02.

I think that article may have printed the wrong retainer number. That sounds like the big block retainer part#.

The Hughes rockers are made by probe. I tried a set of 1.6 about a year ago. The ratio measured in at 1.48. I sent them back. I was trying to increase the ratio from the Comps, identicle to the set purchased from scamp_408, which meaured slightly over 1.5.